I have lost 3 fish. My kandeense (unknown reason), C. Trewavse (HITH), and Oto Tetrastigma (failure to thrive). I picked up a Turkis and was wondering if i ahould pick up 1 or 2 more to add back in. I have read that it is tough to integrate 1 new fish into a cichlid tank. Any thoughts or ideas and the best way?